<div class="login-box" style="margin: 200px auto 0;">
  <!-- /.login-logo -->
  <div class="card">
    <div class="card-body login-card-body">
      <p class="login-box-msg">广告管理系统</p>

      <form name="loginForm">
        <div class="input-group mb-3">
          <input type="text" name="adminName" class="form-control" placeholder="请输入管理员账号">
          <div class="input-group-append">
            <div class="input-group-text">
              <span class="fas fa-user"></span>
            </div>
          </div>
        </div>
        <div class="input-group mb-3">
          <input name="passWord" type="password" class="form-control" placeholder="请输入管理员密码">
          <div class="input-group-append">
            <div class="input-group-text">
              <span class="fas fa-lock"></span>
            </div>
          </div>
        </div>
        <div class="row">
          <!-- /.col -->
          <div class="col-12">
            <button type="submit" name="loginBtn" class="btn btn-primary btn-block">登录</button>
          </div>
          <!-- /.col -->
        </div>
      </form>

    </div>
    <!-- /.login-card-body -->
  </div>
</div>